CN106077027A - Process the system and method for house refuse - Google Patents
Process the system and method for house refuse Download PDFInfo
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- CN106077027A CN106077027A CN201610435886.1A CN201610435886A CN106077027A CN 106077027 A CN106077027 A CN 106077027A CN 201610435886 A CN201610435886 A CN 201610435886A CN 106077027 A CN106077027 A CN 106077027A
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- 238000000034 method Methods 0.000 title claims abstract description 113
- 230000008569 process Effects 0.000 title claims description 81
- 239000004568 cement Substances 0.000 claims abstract description 111
- 239000007789 gas Substances 0.000 claims abstract description 109
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000009825 accumulation Methods 0.000 claims abstract description 47
- 230000002195 synergetic effect Effects 0.000 claims abstract description 43
- 238000002309 gasification Methods 0.000 claims abstract description 42
- 239000010815 organic waste Substances 0.000 claims abstract description 39
- 239000002296 pyrolytic carbon Substances 0.000 claims abstract description 38
- 239000002994 raw material Substances 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 31
- 235000012255 calcium oxide Nutrition 0.000 claims abstract description 28
- 239000000292 calcium oxide Substances 0.000 claims abstract description 28
- 239000002912 waste gas Substances 0.000 claims abstract description 15
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 7
- 238000000197 pyrolysis Methods 0.000 claims description 73
- 239000010813 municipal solid waste Substances 0.000 claims description 57
- 239000010865 sewage Substances 0.000 claims description 27
- 238000000227 grinding Methods 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 230000008901 benefit Effects 0.000 abstract description 10
- 238000004064 recycling Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 12
- 239000004567 concrete Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 239000000126 substance Substances 0.000 description 10
- 239000000567 combustion gas Substances 0.000 description 9
- 238000007233 catalytic pyrolysis Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 8
- 239000002002 slurry Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000004927 clay Substances 0.000 description 7
- 235000019738 Limestone Nutrition 0.000 description 6
- 239000003245 coal Substances 0.000 description 6
- 239000006028 limestone Substances 0.000 description 6
- 238000011068 loading method Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 230000001698 pyrogenic effect Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000003672 processing method Methods 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- 239000002918 waste heat Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000001473 noxious effect Effects 0.000 description 4
- 241000219422 Urtica Species 0.000 description 3
- 235000009108 Urtica dioica Nutrition 0.000 description 3
- 238000005276 aerator Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000009827 uniform distribution Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000002073 mitogenetic effect Effects 0.000 description 2
- 231100000614 poison Toxicity 0.000 description 2
- 230000007096 poisonous effect Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002361 compost Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 231100000584 environmental toxicity Toxicity 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses the system and method processing house refuse, this system includes: pretreatment unit, has house refuse entrance, foul smell outlet, organic waste outlet and inorganic refuse outlet；Heat accumulation type radiant tube revolving bed, has combustion air inlet, quick lime entrance, organic waste entrance and pyrolytic carbon outlet, and combustion air inlet is connected with foul smell outlet, and organic waste entrance is connected with organic waste outlet；Gasification installation, has pyrolytic carbon entrance, combustible gas outlet and solid discharge, and pyrolytic carbon entrance is connected with pyrolytic carbon outlet, and combustible gas outlet is connected with combustible gas entrance；Cement kiln synergetic unit, has feed(raw material)inlet and waste gas outlet, and feed(raw material)inlet exports with solid discharge and inorganic refuse and is connected；TRT, has exhaust gas entrance, and exhaust gas entrance is connected with waste gas outlet.This system can effectively reduce manufacture of cement cost, and can realize the innoxious of house refuse and recycling treatment, has huge economic benefit and social benefit.
Description
Technical field
The invention belongs to chemical technology field, specifically, the present invention relates to a kind of system processing house refuse and side
Method.
Background technology
At present, the process problem of domestic waste becomes whole people's focus of attention already.Existing landfill, compost, burning
Etc. technology due to himself intrinsic shortcoming so that it is development is limited to.China many urban construction consumer waste incineration is sent out
Power plant, but burn the two English pollution problems brought and cause people's dispute to waste incineration mode.Two English environmental toxicities
Greatly, the most degradable, cause great threat to resident is healthy.The method using cement kiln synergic processing rubbish, existing skill
Art have rubbish is directly burned after or directly garbage raw material is thrown away in cement kiln.Directly burn away the refuse and can produce two English etc.
Pollute environment, produce the device of some corrosive gas meeting corrosive water stall, breaking plant；And directly house refuse is thrown away into water
Reacting in stall, the complicated component of rubbish, water content high can affect the quality of cement products, affects whole cement kiln
Technique.
Therefore, the technology of existing process house refuse is further improved.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention
One purpose is to propose a kind of system and method processing house refuse, and this system is by by the process of house refuse and cement
Kiln is worked in coordination with treatment technology and is combined, and is possible not only to effectively reduce manufacture of cement cost, and can realize house refuse
Innoxious and recycling treatment, there is huge economic benefit and social benefit.
In the first aspect of the invention, this present invention proposes a kind of system processing house refuse.According to the present invention
Embodiment, this system includes:
Pretreatment unit, described pretreatment unit have house refuse entrance, foul smell outlet, organic waste outlet, inorganic
Garbage outlet and outlet of sewer；
Heat accumulation type radiant tube revolving bed, described heat accumulation type radiant tube revolving bed have combustible gas entrance, combustion air inlet,
Quick lime entrance, organic waste entrance, pyrolysis oil gas vent and pyrolytic carbon outlet, described combustion air inlet goes out with described foul smell
Mouth is connected, and described organic waste entrance is connected with the outlet of described organic waste；
Gasification installation, described gasification installation has pyrolytic carbon entrance, combustible gas outlet and solid discharge, and described pyrolytic carbon enters
Mouth is connected with the outlet of described pyrolytic carbon, and the outlet of described combustible gas is connected with described combustible gas entrance；
Cement kiln synergetic unit, described cement kiln synergetic unit has feed(raw material)inlet, waste gas outlet and cement
Outlet, described feed(raw material)inlet exports with described solid discharge and described inorganic refuse respectively and is connected；
TRT, described TRT has exhaust gas entrance and the outlet of boiler residual air, and described exhaust gas entrance is useless with described
Gas outlet is connected.
Thus, the system of process house refuse according to embodiments of the present invention is by obtaining after house refuse pretreatment
Organic waste, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing, quick lime to heat accumulation type radiant tube revolving bed
Can be with the pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this portion
Mitogenetic Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is processed into not increasing
The wasting of resources that garbage loading embeading or burning cause can be avoided while Ben, and can effectively solve to burn by pyrolysis processing
The problem that two English that rubbish is brought pollute, obtains combustible gas and residue by the supply of gained pyrolytic carbon to gasification installation simultaneously,
And the return of gained combustible gas is used as combustion gas in heat accumulation type radiant tube revolving bed, obtained residue and inorganic refuse
Supply and coordinate limestone, clay matter etc. as cement slurry to cement kiln synergetic unit, be so possible not only to effectively drop
Low cement cost, and so that rubbish waste residue and separating obtained inorganic refuse are fully utilized, such that it is able to by rubbish
Process and combine with cement kiln synergetic unit, relative to existing cement kiln synergic processing method, in the application
In, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, produces rubbish and can put nowhere
Problem, secondly, the residue obtained middle harmful and noxious substance that gasifies solidifies through cement, thus realizes the innoxious of house refuse
And recycling treatment, it addition, carry out remaining by kiln tail gas supply to the TRT that cement kiln synergetic unit is obtained
Recuperation of heat, it is possible to achieve the recycling of the energy.
It addition, the system of process house refuse according to the above embodiment of the present invention can also have following additional technology
Feature:
In some embodiments of the invention, the system of described process house refuse farther includes: sewage-treatment plant,
Described sewage-treatment plant has sewage inlet and treatment fluid outlet, and described sewage inlet is connected with described outlet of sewer.Thus,
The environmental benefit of this system can be significantly improved.
In some embodiments of the invention, described pyrolysis oil gas vent and the fuel inlet phase on described TRT
Even.Thus, it is possible to significantly reduce cost of electricity-generating.
In some embodiments of the invention, former with in described cement kiln synergetic unit of described boiler residual air outlet
Material mill is connected.Thus, it is possible to significantly reduce system energy consumption.
In another aspect of the invention, the present invention proposes a kind of method processing house refuse.According to the present invention's
Embodiment, the method is that the system using process house refuse described above is carried out.According to a particular embodiment of the invention,
The method includes:
(1) will house refuse supply to described pretreatment unit carries out pretreatment, in order to obtain foul smell, organic waste,
Inorganic refuse and sewage；
(2) by the supply of quick lime, described organic waste and described foul smell to described heat accumulation type radiant tube revolving bed, in order to right
Described organic waste carries out pyrolysis processing, obtains being pyrolyzed oil gas and pyrolytic carbon；
(3) supply of described pyrolytic carbon is carried out gasification process to described gasification installation, in order to obtain combustible gas and residue, and
Described combustible gas is back in described heat accumulation type radiant tube revolving bed make combustible gas use；
(4) described residue and described inorganic refuse are supplied extremely described cement kiln synergetic unit and carry out collaborative process,
To obtain waste gas and cement,
(5) described waste gas supply step (4) obtained carries out UTILIZATION OF VESIDUAL HEAT IN to described TRT, in order to obtain boiler
Residual air.
Thus, the method for process house refuse according to embodiments of the present invention is by obtaining after house refuse pretreatment
Organic waste, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing, quick lime to heat accumulation type radiant tube revolving bed
Can be with the pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this portion
Mitogenetic Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is processed into not increasing
The wasting of resources that garbage loading embeading or burning cause can be avoided while Ben, and can effectively solve to burn by pyrolysis processing
The problem that two English that rubbish is brought pollute, obtains combustible gas and residue by the supply of gained pyrolytic carbon to gasification installation simultaneously,
And the return of gained combustible gas is used as combustion gas in heat accumulation type radiant tube revolving bed, obtained residue and inorganic refuse
Supply and coordinate limestone, clay matter etc. as cement slurry to cement kiln synergetic unit, be so possible not only to effectively drop
Low cement cost, and so that rubbish waste residue and separating obtained inorganic refuse are fully utilized, such that it is able to by rubbish
Process and combine with cement kiln synergetic unit, relative to existing cement kiln synergic processing method, in the application
In, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, produces rubbish and can put nowhere
Problem, secondly, the residue obtained middle harmful and noxious substance that gasifies solidifies through cement, thus realizes the innoxious of house refuse
And recycling treatment, it addition, carry out remaining by kiln tail gas supply to the TRT that cement kiln synergetic unit is obtained
Recuperation of heat, it is possible to achieve the recycling of the energy.
It addition, the method for process house refuse according to the above embodiment of the present invention can also have following additional technology
Feature:
In some embodiments of the invention, the method for described process house refuse farther includes: (6) are by step (1)
The described sewage obtained supplies to sewage-treatment plant, in order to obtain treatment fluid.Thus, it is possible to significantly improve the environmental protection of this system
Benefit.
In some embodiments of the invention, the method for described process house refuse farther includes: (7) are by step (2)
The described pyrolysis oil gas supply obtained uses to described TRT as fuel.Thus, it is possible to significantly reduce cost of electricity-generating.
In some embodiments of the invention, the method for described process house refuse farther includes: (8) are by step (5)
The described boiler residual air supply obtained uses to the raw material grinding mill in described cement kiln synergetic unit as dry medium.By
This, can significantly reduce system energy consumption.
The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become
Substantially with easy to understand, wherein:
Fig. 1 is the system structure schematic diagram processing house refuse according to an embodiment of the invention；
Fig. 2 is the system structure schematic diagram of the process house refuse according to further embodiment of the present invention；
Fig. 3 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention；
Fig. 4 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention；
Fig. 5 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention；
Fig. 6 is the method flow schematic diagram processing house refuse according to an embodiment of the invention；
Fig. 7 is the method flow schematic diagram of the process house refuse according to further embodiment of the present invention；
Fig. 8 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Fig. 9 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention；
Figure 10 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In one aspect of the invention, the present invention proposes a kind of system processing house refuse.Reality according to the present invention
Executing example, with reference to Fig. 1, this system includes: pretreatment unit 100, heat accumulation type radiant tube revolving bed 200, gasification installation 300, cement
Kiln synergetic unit 400 and TRT 500.
According to embodiments of the invention, pretreatment unit 100 have house refuse entrance 101, foul smell outlet 102, organic
Garbage outlet 103, inorganic refuse outlet 104 and outlet of sewer 105, and be suitable to house refuse is carried out pretreatment, such that it is able to
Obtain foul smell, organic waste, inorganic refuse and sewage.Concrete, after house refuse is weighed by weighbridge office, fall through discharging platform
Enter refuse pit and carry out heap filter, obtain foul smell (being mainly composed of methane) and contaminant water, after then being filtered by heap by garbage grab bucket
Rubbish is sent in apron feeder, and uniform and stable for material is transported on belt feeder by apron feeder with uniform distribution machine, skin
Rubbish is transported to manual sorting room by band machine, is sorted out by the chaff interference such as inorganic refuse such as glass, brick and tile, branch, nettle, then
Sieving through rotary screen, the organic waste obtained supplies after roll crushing crusher machine to subsequent process again and processes.
According to embodiments of the invention, heat accumulation type radiant tube revolving bed 200 has combustible gas entrance 201, combustion air enters
Mouth 202, quick lime entrance 203, organic waste entrance 204, pyrolysis oil gas vent 205 and pyrolytic carbon outlet 206, combustion air enters
Mouth 202 is connected with foul smell outlet 102, and organic waste entrance 204 is connected with organic waste outlet 103, and is suitable to supply foul smell
Use as the combustion air of heat accumulation type radiant tube to heat accumulation type radiant tube revolving bed, and radiate at heat accumulating type together with combustible gas
Pipe burns for providing heat in revolving bed, quick lime and organic waste are supplied to revolving bed, carries out pyrolysis processing, thus
Can obtain being pyrolyzed oil gas and pyrolytic carbon.Concrete, from the organic waste of rubbish pretreatment unit in the condition of isolation air
Under in revolving bed pyrolysis oven, be heated to about 600～900 DEG C, its contained Organic substance and the volatile matter overwhelming majority separate out, heat
Obtaining after solution being pyrolyzed oil gas and two kinds of products of pyrolytic carbon, the quick lime wherein added can be with Jiao in catalytic pyrolysis pyrolysis oil gas
Oil, thus improve the yield of pyrolysis gas.Ringwise, furnace bottom can turn the burner hearth of the heat accumulation type radiant tube revolving bed that pyrolysis uses continuously
Dynamic, the organic waste obtained after pretreatment and quick lime, feeding device load in heat accumulation type radiant tube revolving bed, uniformly
Be laid on furnace bottom, layer thickness about 40～800mm, furnace bottom machine drive furnace bottom rotate continuously, the bed of material being layered on furnace bottom
With furnace bottom rotate, sequentially pass through the preheating section of stove, a conversion zone, two conversion zones and three conversion zones, be finally heated to 600～
About 900 DEG C and complete pyrolytic reaction, the pyrolytic carbon after pyrolysis is unloaded by pyrolytic carbon outlet outside coming out of the stove, and it is cold to immediately enter cooling chamber
But, pyrolysis oil gas is discharged from multiple pyrolysis oil gas vents of burner hearth.Inventor finds, by obtaining after house refuse pretreatment
Organic waste, foul smell and cement raw material quick lime supply to heat accumulation type radiant tube revolving bed, carry out pyrolysis processing, calculogenesis
Ash can be with the pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and should
Part quick lime can supply after pyrogenic processes to subsequent process and use as cement producting material, thus do not increasing process
The wasting of resources that garbage loading embeading or burning cause can be avoided while cost, and can effectively solve to burn by pyrolysis processing
The problem burning the two English pollutions that rubbish is brought.It should be noted that quick lime entrance 203 and organic waste entrance 204 can
Think single two entrances, it is also possible to for same entrance, those skilled in the art can select according to actual needs.
According to embodiments of the invention, gasification installation 300 has pyrolytic carbon entrance 301, combustible gas outlet 302 and residue and goes out
Mouth 303, pyrolytic carbon entrance 301 is connected with pyrolytic carbon outlet 206, and combustible gas outlet 302 is connected with combustible gas entrance 201, and suitable
Gasification process is carried out in the pyrolytic carbon that will obtain in heat accumulation type radiant tube revolving bed, such that it is able to obtain combustible gas and residue, and
Obtained combustible gas return heat accumulation type radiant tube revolving bed is used as the combustion gas of radial canal.Concrete, gasification includes gas
Changing fuel gas processed and produced combustible gas purifying two parts, air enters aerator boosting, heats, go respectively in air preheater
At the bottom of gasification installation and returning charge gasifier bed, gasification installation inlet pipeline is provided with blender, in this air and steam
Uniformly, spraying in gasification installation, another part sprays into returning charge gasifier bed, the residue of gasification installation inner bottom part, finally gives flammable
Gas and residue, and this part combustible gas supply combustion gas to heat accumulation type radiant tube revolving bed as radial canal is used.Need
Bright, the actual conditions of gasification process can be selected by those skilled in the art according to actual needs.
According to embodiments of the invention, cement kiln synergetic unit 400 has feed(raw material)inlet 401, waste gas outlet 402 and
Cement exit 403, feed(raw material)inlet 401 exports 104 with solid discharge 303 and inorganic refuse and is connected, and is suitable to residue, inorganic refuse
Collaborative process is carried out, such that it is able to obtain waste gas and cement with cement slurry.Inventor finds, by obtained by gasification installation
Inorganic refuse supply obtained by residue and pretreatment unit coordinates limestone, clay matter etc. to cement kiln synergetic unit
As cement slurry, so it is possible not only to effectively reduce cement cost, and so that rubbish waste residue is fully utilized, from
And garbage disposal and cement kiln synergetic unit can be combined, relative to existing cement kiln synergic processing side
Method, in this application, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, produces rubbish
The problem that rubbish can be put nowhere, and then realize the innoxious of organic waste and recycling treatment.
Concrete, with reference to Fig. 2, cement kiln synergetic unit 400 includes raw material grinding mill 41, homogenizing storehouse 42, preheater 43, divides
Solving stove 44, rotary kiln 45, clinker warehouse 46 and fine coal deployment device 47 etc., residue carries out pulverizing and dried through raw material grinding mill 41, with
Cement slurry supplies the most successively to the allotment of homogenizing storehouse 42, preheater 43, dore furnace 44, rotary kiln 45, clinker warehouse 46 and fine coal
Device 47 processes, and obtains waste gas and cement products.In-line analyzer can be increased at raw material grinding mill for controlling material composition fluctuation,
Thus on the one hand save the input of cement raw material, on the other hand the poisonous and harmful substance in residue realizes through cement solidification effect
Harmless treatment.
According to embodiments of the invention, with reference to Fig. 1, TRT 500 has exhaust gas entrance 501 and the outlet of boiler residual air
502, exhaust gas entrance 501 is connected with waste gas outlet 402, and is suitable to the kiln tail gas supply obtained by quality coal in cement kiln systems processing unit
Waste heat recovery is carried out to TRT.Thus, it is possible to significantly improve the efficient utilization of the energy.
The system of process house refuse according to embodiments of the present invention is by organic by obtain after house refuse pretreatment
Rubbish, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing to heat accumulation type radiant tube revolving bed, and quick lime is permissible
Pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this part is raw
Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is not increasing processing cost
The wasting of resources that garbage loading embeading or burning cause can be avoided simultaneously, and can effectively solve to burn away the refuse by pyrolysis processing
The problem that two English brought pollute, obtains combustible gas and residue simultaneously by gained pyrolytic carbon supply to gasification installation, and will
Gained combustible gas returns and uses as combustion gas as in heat accumulation type radiant tube revolving bed, obtained residue and inorganic refuse supply
Coordinate limestone, clay matter etc. as cement slurry to cement kiln synergetic unit, be so possible not only to effectively reduce water
Mud cost, and so that rubbish waste residue and separating obtained inorganic refuse are fully utilized, such that it is able to by garbage disposal
Combine with cement kiln synergetic unit, relative to existing cement kiln synergic processing method, in this application, one
Denier cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, and what generation rubbish can be put nowhere asks
Topic, secondly, the residue obtained middle harmful and noxious substance that gasifies solidifies through cement, thus realizes the innoxious of house refuse and money
Sourceization processes, and returns it addition, carry out waste heat by kiln tail gas supply cement kiln synergetic unit obtained to TRT
Receive, it is possible to achieve the recycling of the energy.
With reference to Fig. 3, according to embodiments of the invention, the system of described process house refuse farther includes: sewage disposal
Device 600.
According to embodiments of the invention, sewage-treatment plant 600 has sewage inlet 601 and treatment fluid outlet 602, sewage
Entrance 601 is connected with outlet of sewer 105 respectively, and the sewage being suitable to obtain pretreatment unit carries out purified treatment, thus can
To obtain treatment fluid.It should be noted that those skilled in the art can be according to actual needs to the tool employed in this process
Concrete conditions in the establishment of a specific crime selects.
With reference to Fig. 4, according to embodiments of the invention, pyrolysis oil gas vent 205 can enter with the fuel on TRT 500
Mouth is connected, and is suitable to use the pyrolysis oil gas obtained in heat accumulation type radiant tube revolving bed supply as fuel to TRT,
Such that it is able to significantly reduce cost of electricity-generating.
With reference to Fig. 5, according to embodiments of the invention, former with in cement kiln synergetic unit of boiler residual air outlet 502
Material mill 41 is connected, and the boiler residual air being suitable to obtain TRT supplies to quality coal in cement kiln systems processing unit as thermal source
Raw material grinding mill uses as dry medium.Thus, it is possible to significantly reduce system energy consumption.
As it has been described above, the system of process house refuse according to embodiments of the present invention can have selected from following advantage at least
One of:
The system of process house refuse according to embodiments of the present invention uses heat accumulation type radiant tube revolving bed to house refuse
It is pyrolyzed, it is to avoid burn the problem that two English brought pollute；
The system of process house refuse according to embodiments of the present invention is by being combined refuse pyrolysis with cement kiln production line
Get up, take full advantage of the oil of refuse pyrolysis generation, gas, charcoal, the product after refuse pyrolysis is directly utilized, need not sell outward, save
Remove sales section；
The system of process house refuse according to embodiments of the present invention the most just adds quick lime, both to being pyrolyzed
To catalytic action, the link that later stage cement raw material adds can be saved again, change the technological process of conventional cement kiln；
Product after the refuse pyrolysis of the system of process house refuse according to embodiments of the present invention can be by cement kiln
Utilize, save the raw material required for cement kiln produces；
The system of process house refuse according to embodiments of the present invention combines with cement kiln skill relative to original rubbish
Art, this technology does not interferes with the production line of cement kiln itself, does not interferes with the quality of its product, and once cement kiln stops production,
House refuse can also process；
The system of process house refuse according to embodiments of the present invention improves the macroeconomic of refuse pyrolysis gasifying process
Property, it is easy to industrialization promotion.
In another aspect of the invention, the present invention proposes a kind of method processing house refuse.According to the present invention's
Embodiment, the method is that the system using above-mentioned process house refuse is carried out.According to a particular embodiment of the invention, with reference to figure
6, the method for described process house refuse includes:
S100: house refuse supply is carried out pretreatment to pretreatment unit
According to embodiments of the invention, house refuse supply is carried out pretreatment to pretreatment unit, such that it is able to
To foul smell, organic waste, inorganic refuse and sewage.Concrete, after house refuse is weighed by weighbridge office, pour into through discharging platform
Refuse pit carries out heap filter, obtains foul smell (being mainly composed of methane) and contaminant water, the rubbish after then being filtered by heap by garbage grab bucket
Rubbish is sent in apron feeder, and uniform and stable for material is transported on belt feeder by apron feeder with uniform distribution machine, belt
Rubbish is transported to manual sorting room by machine, is sorted out by the chaff interference such as inorganic refuse such as glass, brick and tile, branch, nettle, then warp
Rotary screen sieves, and the organic waste obtained supplies after roll crushing crusher machine to subsequent process again and processes.
S200: quick lime, organic waste and foul smell are supplied to heat accumulation type radiant tube revolving bed
According to embodiments of the invention, foul smell is supplied to heat accumulation type radiant tube revolving bed helping as heat accumulation type radiant tube
Combustion air uses, and burns in heat accumulation type radiant tube together with combustible gas for providing heat in revolving bed, by quick lime and having
The supply of machine rubbish carries out pyrolysis processing to revolving bed, such that it is able to obtain being pyrolyzed oil gas and pyrolytic carbon.Concrete, from rubbish
The organic waste of pretreatment unit is heated to about 600～900 DEG C under conditions of isolation air in revolving bed pyrolysis oven, its
Contained Organic substance and the volatile matter overwhelming majority separate out, and obtain being pyrolyzed oil gas and two kinds of products of pyrolytic carbon, wherein add after pyrolysis
Quick lime thus the yield of pyrolysis gas can be improved with the tar in catalytic pyrolysis pyrolysis oil gas.The heat accumulating type spoke that pyrolysis uses
Penetrating the burner hearth of pipe revolving bed ringwise, furnace bottom can rotate continuously, the organic waste obtained after pretreatment and quick lime, by filling
Material device loads in heat accumulation type radiant tube revolving bed, is laid in equably on furnace bottom, layer thickness about 40～800mm, furnace bottom machine
Tool drive furnace bottom rotate continuously, the bed of material being layered on furnace bottom with furnace bottom rotate, sequentially pass through the preheating section of stove, a conversion zone,
Two conversion zones and three conversion zones, be finally heated to about 600～900 DEG C and complete pyrolytic reaction, the pyrolytic carbon after pyrolysis by
Pyrolytic carbon outlet is unloaded outside coming out of the stove, and immediately enters cooling chamber cooling, and pyrolysis oil gas is discharged from multiple pyrolysis oil gas vents of burner hearth.
Inventor finds, is supplied extremely by the organic waste that will obtain after house refuse pretreatment, foul smell and cement raw material quick lime
Carrying out pyrolysis processing in heat accumulation type radiant tube revolving bed, quick lime can be pyrolyzed the pyrolysis oil in oil gas with catalytic pyrolysis gained, from
And can significantly improve the yield of gained pyrolysis gas, and this part quick lime can supply to subsequent process after pyrogenic processes
Use as cement producting material, thus the money that garbage loading embeading or burning cause can be avoided while not increasing processing cost
Source is wasted, and can effectively be solved to burn away the refuse the problem that two brought English pollute by pyrolysis processing.
S300: pyrolytic carbon supply is carried out gasification process to gasification installation, and combustible gas is back to heat accumulation type radiant tube
Revolving bed is made combustion gas use
According to embodiments of the invention, the pyrolytic carbon obtained in heat accumulation type radiant tube revolving bed is carried out gasification process, from
And combustible gas and residue can be obtained, and obtained combustible gas is returned the combustion as radial canal of the heat accumulation type radiant tube revolving bed
Gas uses.Concrete, gasification includes vaporizing system fuel gas and produced combustible gas purifying two parts, and air enters aerator boosting,
Air preheater heats, goes at the bottom of gasification installation respectively and returning charge gasifier bed, gasification installation inlet pipeline is provided with mixed
Clutch, uniform with steam at this air, spray in gasification installation, another part sprays into returning charge gasifier bed, gasification installation
The residue of inner bottom part, finally gives combustible gas and residue, and the supply of this part combustible gas is made to heat accumulation type radiant tube revolving bed
Combustion gas for radial canal uses.It should be noted that those skilled in the art can tool to gasification process according to actual needs
Concrete conditions in the establishment of a specific crime selects.
S400: residue and inorganic refuse are supplied and carries out working in coordination with process to cement kiln synergetic unit
According to embodiments of the invention, by residue obtained for gasification installation and pretreatment unit gained inorganic refuse and cement life
Material supply to cement kiln synergetic unit carries out collaborative process, such that it is able to obtain waste gas and cement.Inventor finds, passes through
Inorganic refuse supply obtained by the residue obtained by gasification installation and pretreatment unit is joined to cement kiln synergetic unit
Conjunction limestone, clay matter etc., as cement slurry, are so possible not only to effectively reduce cement cost, and so that rubbish gives up
Slag is fully utilized, such that it is able to garbage disposal combined with cement kiln synergetic unit, relative to existing
Cement kiln synergic processing method, in this application, once cement kiln production line stop production, house refuse can also be pyrolyzed in advance,
Will not bank up smelly, produce the problem that rubbish can be put nowhere, and then realize the innoxious of organic waste and recycling treatment.
S500: the waste gas supply obtained by S400 carries out UTILIZATION OF VESIDUAL HEAT IN to TRT
According to embodiments of the invention, in the kiln tail gas that quality coal in cement kiln systems processing unit is obtained supply to TRT
Carry out waste heat recovery.Thus, it is possible to significantly improve the efficient utilization of the energy.
The method of process house refuse according to embodiments of the present invention is by organic by obtain after house refuse pretreatment
Rubbish, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing to heat accumulation type radiant tube revolving bed, and quick lime is permissible
Pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this part is raw
Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is not increasing processing cost
The wasting of resources that garbage loading embeading or burning cause can be avoided simultaneously, and can effectively solve to burn away the refuse by pyrolysis processing
The problem that two English brought pollute, obtains combustible gas and residue simultaneously by gained pyrolytic carbon supply to gasification installation, and will
Gained combustible gas returns and uses as combustion gas as in heat accumulation type radiant tube revolving bed, obtained residue and inorganic refuse supply
Coordinate limestone, clay matter etc. as cement slurry to cement kiln synergetic unit, be so possible not only to effectively reduce water
Mud cost, and so that rubbish waste residue and separating obtained inorganic refuse are fully utilized, such that it is able to by garbage disposal
Combine with cement kiln synergetic unit, relative to existing cement kiln synergic processing method, in this application, one
Denier cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, and what generation rubbish can be put nowhere asks
Topic, secondly, the residue obtained middle harmful and noxious substance that gasifies solidifies through cement, thus realizes the innoxious of house refuse and money
Sourceization processes, and returns it addition, carry out waste heat by kiln tail gas supply cement kiln synergetic unit obtained to TRT
Receive, it is possible to achieve the recycling of the energy.
With reference to Fig. 7, according to embodiments of the invention, the method for described process house refuse farther includes:
S600: the sewage obtained by S100 supplies to sewage-treatment plant
According to embodiments of the invention, the sewage obtained by pretreatment unit supply is carried out at purification to sewage-treatment plant
Reason, such that it is able to obtain treatment fluid.It should be noted that those skilled in the art can be according to actual needs to institute during this
The actual conditions used selects.
With reference to Fig. 8, according to embodiments of the invention, the method for described process house refuse farther includes:
S700: the pyrolysis oil gas supply obtained by S200 uses to TRT as fuel
According to embodiments of the invention, the pyrolysis oil gas obtained in heat accumulation type radiant tube revolving bed is supplied to TRT
Use as fuel, such that it is able to significantly reduce cost of electricity-generating.
With reference to Fig. 9, according to embodiments of the invention, the method for described process house refuse farther includes:
S800: the raw material grinding mill in the boiler residual air supply that S500 is obtained to cement kiln synergetic unit
According to embodiments of the invention, the boiler residual air obtained by TRT supplies to quality coal in cement kiln systems as thermal source
Raw material grinding mill on reason unit uses as dry medium.Thus, it is possible to significantly reduce system energy consumption.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, and limit the present invention never in any form.
Embodiment
Certain city's house refuse is processed by the system using the process house refuse shown in Figure 10, and house refuse becomes packet
Become as shown in table 1:
Table 1 house refuse becomes to be grouped into (wt%)
A, pretreatment unit carry out pretreatment: after house refuse is weighed by weighbridge office, pour rubbish into through discharging platform
Storage hole carries out heap filter, obtains foul smell (being mainly composed of methane) and contaminant water, and the rubbish after then being filtered by heap by garbage grab bucket send
Entering in apron feeder, uniform and stable for material is transported on belt feeder by apron feeder with uniform distribution machine, and belt feeder will
Rubbish is transported to manual sorting room, is sorted out by the chaff interference such as inorganic refuse such as glass, brick and tile, branch, nettle, then through cylinder
Sieving, the organic waste obtained supplies to heat accumulation type radiant tube revolving bed after roll crushing crusher machine again；
B, heat accumulation type radiant tube revolving bed are pyrolyzed: by quick lime and from the foul smell of rubbish pretreatment unit and organic rubbish
Rubbish supply is heated to 800 DEG C of left sides to heat accumulation type radiant tube revolving bed under conditions of isolation air in revolving bed pyrolysis oven
The right side, its contained Organic substance and the volatile matter overwhelming majority separate out, and obtain being pyrolyzed oil gas and two kinds of products of pyrolytic carbon after pyrolysis.Pyrolysis
Ringwise, furnace bottom can rotate the burner hearth of the heat accumulation type radiant tube revolving bed used continuously, the organic rubbish obtained after pretreatment
Rubbish, is loaded in heat accumulation type radiant tube revolving bed by feeding device, is laid in equably on furnace bottom, layer thickness about 700mm, furnace bottom
Machinery drives furnace bottom to rotate continuously, and the bed of material being layered on furnace bottom rotates with furnace bottom, sequentially passes through the preheating section of stove, a reaction
Section, two conversion zones and three conversion zones, be finally heated to about 800 DEG C and complete pyrolytic reaction, and the pyrolytic carbon after pyrolysis is by warm
Solution charcoal outlet is unloaded outside coming out of the stove, and immediately enters cooling chamber cooling, and pyrolysis oil gas is discharged from multiple pyrolysis oil gas vents of burner hearth.
C, gasification installation carry out gasification process: gasification includes vaporizing system fuel gas and produced combustible gas purifying two parts,
By in pyrolytic carbon supply to gasification installation, air enters aerator boosting, heats, remove gasification installation respectively in air preheater
The end and returning charge gasifier bed, be provided with blender on gasification installation inlet pipeline, uniform with steam at this air, sprays into
In gasification installation, another part sprays into returning charge gasifier bed, the residue of gasification installation inner bottom part, finally gives combustible gas and residue,
And this part combustible gas supply combustion gas to heat accumulation type radiant tube revolving bed as radial canal is used.
D, cement kiln synergetic unit carry out collaborative process: gentle from the inorganic refuse of house refuse pretreatment unit
Inorganic matter warehouse in the residue obtained cement plant sent of gasifying device, delivers to the feed belt of raw material grinding mill after grab bucket feeding, metering
On, after dispensing, enter raw material grinding mill with raw material and carry out pulverizing and be dried, can increase in raw material grinding mill system for controlling material composition fluctuation
Add in-line analyzer.Inorganic refuse on the one hand alternative part clay raw material, saves cement raw material and puts into, on the other hand residue
In poisonous and harmful substance achieve harmless treatment through cement solidification effect, and the gross mass of inorganic refuse and residue is not
Higher than the 5% of cement entirety proportion scale, the kiln tail gas and the heat accumulation type radiant tube that cement kiln synergetic unit are obtained obtain
To the supply of pyrolysis oil gas carry out waste heat recovery to TRT, and by obtained boiler residual air supply to the collaborative place of cement kiln
Raw material grinding mill on reason device uses as dry medium, gained sewage supply in pretreatment unit is carried out to sewage-treatment plant
Process.
Composition and the calorific value of pyrolysis gas are as shown in table 2:
Table 2 pyrolysis gas composition and calorific value
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (8)
1. the system processing house refuse, it is characterised in that including:
Pretreatment unit, described pretreatment unit has house refuse entrance, foul smell outlet, organic waste outlet, inorganic refuse
Outlet and outlet of sewer；
Heat accumulation type radiant tube revolving bed, described heat accumulation type radiant tube revolving bed has combustible gas entrance, combustion air inlet, calculogenesis
Ash entrance, organic waste entrance, pyrolysis oil gas vent and pyrolytic carbon outlet, described combustion air inlet exports phase with described foul smell
Even, described organic waste entrance is connected with the outlet of described organic waste；
Gasification installation, described gasification installation have pyrolytic carbon entrance, combustible gas outlet and solid discharge, described pyrolytic carbon entrance with
The outlet of described pyrolytic carbon is connected, and the outlet of described combustible gas is connected with described combustible gas entrance；
Cement kiln synergetic unit, described cement kiln synergetic unit has feed(raw material)inlet, waste gas outlet and cement exit,
Described feed(raw material)inlet exports with described solid discharge and described inorganic refuse respectively and is connected；
TRT, described TRT has exhaust gas entrance and the outlet of boiler residual air, and described exhaust gas entrance goes out with described waste gas
Mouth is connected.
System the most according to claim 1, it is characterised in that farther include:
Sewage-treatment plant, described sewage-treatment plant has sewage inlet and treatment fluid outlet, and described sewage inlet is with described
Outlet of sewer is connected.
System the most according to claim 1 and 2, it is characterised in that on described pyrolysis oil gas vent and described TRT
Fuel inlet be connected.
4. according to the system according to any one of claim 1-3, it is characterised in that the outlet of described boiler residual air and described cement
Raw material grinding mill in kiln synergetic unit is connected.
5. use the method that the system of the process house refuse according to any one of Claims 1 to 4 processes house refuse,
It is characterized in that, including:
(1) will house refuse supply to described pretreatment unit carries out pretreatment, in order to obtain foul smell, organic waste, inorganic
Rubbish and sewage；
(2) by the supply of quick lime, described organic waste and described foul smell to described heat accumulation type radiant tube revolving bed, in order to described
Organic waste carries out pyrolysis processing, obtains being pyrolyzed oil gas and pyrolytic carbon；
(3) supply of described pyrolytic carbon is carried out gasification process to described gasification installation, in order to obtain combustible gas and residue, and by institute
State combustible gas to be back in described heat accumulation type radiant tube revolving bed make combustible gas use；
(4) described residue and described inorganic refuse are supplied extremely described cement kiln synergetic unit and carry out collaborative process, in order to
Obtain waste gas and cement,
(5) described waste gas supply step (4) obtained carries out UTILIZATION OF VESIDUAL HEAT IN to described TRT, in order to obtain boiler residual
Gas.
Method the most according to claim 5, it is characterised in that farther include:
(6) described sewage step (1) obtained supplies to sewage-treatment plant, in order to obtain treatment fluid.
7. according to the method described in claim 5 or 6, it is characterised in that farther include:
(7) described pyrolysis oil gas supply step (2) obtained uses to described TRT as fuel.
8. according to the method according to any one of claim 5-7, it is characterised in that farther include:
(8) described boiler residual air supply step (5) obtained to the raw material grinding mill in described cement kiln synergetic unit as
It is dried medium to use.
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